git.sesse.net Git - vlc/blob - modules/gui/qnx/vout.c

   1 /*****************************************************************************
   2  * vout.c: QNX RTOS video output display method
   3  *****************************************************************************
   4  * Copyright (C) 2001, 2002 the VideoLAN team
   5  *
   6  * Authors: Jon Lech Johansen <jon-vl@nanocrew.net>
   7  *          Pascal Levesque <Pascal.Levesque@mindready.com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #include <errno.h>                                                 /* ENOMEM */
  28
  29 #include <photon/PtWidget.h>
  30 #include <photon/PtWindow.h>
  31 #include <photon/PtLabel.h>
  32 #include <photon/PdDirect.h>
  33
  34 #ifdef HAVE_CONFIG_H
  35 # include "config.h"
  36 #endif
  37
  38 #include <vlc_common.h>
  39 #include <vlc_interface.h>
  40 #include <vlc_vout.h>
  41
  42 /*****************************************************************************
  43  * vout_sys_t: video output QNX method descriptor
  44  *****************************************************************************
  45  * This structure is part of the video output thread descriptor.
  46  * It describes the QNX specific properties of an output thread. QNX video
  47  * output is performed through regular resizable windows. Windows can be
  48  * dynamically resized to adapt to the size of the streams.
  49  *****************************************************************************/
  50 #define MAX_DIRECTBUFFERS 2
  51
  52 #define MODE_NORMAL_MEM     0
  53 #define MODE_SHARED_MEM     1
  54 #define MODE_VIDEO_MEM      2
  55 #define MODE_VIDEO_OVERLAY  3
  56
  57 struct vout_sys_t
  58 {
  59     /* video mode */
  60     int                     i_mode;
  61
  62     /* internal stuff */
  63     PtWidget_t *            p_window;
  64
  65     /* Color palette for 8bpp */
  66     PgColor_t p_colors[255];
  67
  68     /* [shared] memory blit */
  69     int                     i_img_type;
  70
  71     /* video memory blit */
  72
  73     /* video overlay */
  74     PgVideoChannel_t *      p_channel;
  75     int                     i_vc_flags;
  76     int                     i_vc_format;
  77
  78     int                 i_screen_depth;
  79     int                 i_bytes_per_pixel;
  80     int                 i_bytes_per_line;
  81
  82     /* position & dimensions */
  83     PhPoint_t               pos;
  84     PhDim_t                 dim;
  85     PhPoint_t               old_pos;
  86     PhDim_t                 old_dim;
  87     PhDim_t                 screen_dim;
  88     PhRect_t                frame;
  89 };
  90
  91
  92 /*****************************************************************************
  93  * picture_sys_t: direct buffer method descriptor
  94  *****************************************************************************
  95  * This structure is part of the picture descriptor, it describes the
  96  * XVideo specific properties of a direct buffer.
  97  *****************************************************************************/
  98 struct picture_sys_t
  99 {
 100     /* [shared] memory blit */
 101     PhImage_t *             p_image;
 102
 103     /* video memory blit and video overlay */
 104     PdOffscreenContext_t *  p_ctx[3];   /* 0: y, 1: u, 2: v */
 105     char *                  p_buf[3];
 106 };
 107
 108
 109 /*****************************************************************************
 110  * Local prototypes
 111  *****************************************************************************/
 112 static int  QNXInit      ( vout_thread_t * );
 113 static void QNXEnd       ( vout_thread_t * );
 114 static int  QNXManage    ( vout_thread_t * );
 115 static void QNXDisplay   ( vout_thread_t *, picture_t * );
 116
 117 static int  QNXInitDisplay ( vout_thread_t * );
 118 static int  QNXCreateWnd   ( vout_thread_t * );
 119 static int  QNXDestroyWnd  ( vout_thread_t * );
 120
 121 static int  NewPicture     ( vout_thread_t *, picture_t *, int );
 122 static void FreePicture    ( vout_thread_t *, picture_t * );
 123 static int  ResizeOverlayOutput ( vout_thread_t * );
 124 static void SetPalette     ( vout_thread_t *, uint16_t *, uint16_t *, uint16_t * );
 125
 126 /*****************************************************************************
 127  * OpenVideo: allocate QNX video thread output method
 128  *****************************************************************************
 129  * This function allocate and initialize a QNX vout method. It uses some of the
 130  * vout properties to choose the window size, and change them according to the
 131  * actual properties of the display.
 132  *****************************************************************************/
 133 int OpenVideo ( vlc_object_t *p_this )
 134 {
 135     vout_thread_t * p_vout = (vout_thread_t *)p_this;
 136
 137     /* init connection to photon */
 138     if( PtInit( "/dev/photon" ) != 0 )
 139     {
 140         msg_Err( p_vout, "unable to connect to photon" );
 141         return( 1 );
 142     }
 143
 144     /* allocate structure */
 145     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 146     if( p_vout->p_sys == NULL )
 147         return( 1 );
 148
 149     memset( p_vout->p_sys, 0, sizeof( vout_sys_t ) );
 150
 151     p_vout->b_fullscreen = config_GetInt( p_vout, "fullscreen" );
 152     p_vout->p_sys->i_mode = config_GetInt( p_vout, "overlay" ) ?
 153                                 MODE_VIDEO_OVERLAY : MODE_VIDEO_MEM;
 154     p_vout->p_sys->dim.w = p_vout->i_window_width;
 155     p_vout->p_sys->dim.h = p_vout->i_window_height;
 156
 157     /* init display and create window */
 158     if( QNXInitDisplay( p_vout ) || QNXCreateWnd( p_vout ) )
 159     {
 160         free( p_vout->p_sys );
 161         return( 1 );
 162     }
 163
 164     p_vout->pf_init = QNXInit;
 165     p_vout->pf_end = QNXEnd;
 166     p_vout->pf_manage = QNXManage;
 167     p_vout->pf_render = NULL;
 168     p_vout->pf_display = QNXDisplay;
 169
 170     return( 0 );
 171 }
 172
 173 /*****************************************************************************
 174  * QNXInit: initialize QNX video thread output method
 175  *****************************************************************************
 176  * This function create the buffers needed by the output thread. It is called
 177  * at the beginning of the thread, but also each time the window is resized.
 178  *****************************************************************************/
 179 static int QNXInit( vout_thread_t *p_vout )
 180 {
 181     int i_index;
 182     picture_t *p_pic;
 183
 184     I_OUTPUTPICTURES = 0;
 185
 186     switch( p_vout->p_sys->i_mode )
 187     {
 188     case MODE_NORMAL_MEM:
 189     case MODE_SHARED_MEM:
 190         p_vout->output.i_width = p_vout->p_sys->dim.w;
 191         p_vout->output.i_height = p_vout->p_sys->dim.h;
 192
 193         /* Assume we have square pixels */
 194         p_vout->output.i_aspect = p_vout->p_sys->dim.w
 195                                * VOUT_ASPECT_FACTOR / p_vout->p_sys->dim.h;
 196         break;
 197
 198     case MODE_VIDEO_MEM:
 199         p_vout->output.i_width = p_vout->p_sys->dim.w;
 200         p_vout->output.i_height = p_vout->p_sys->dim.h;
 201
 202         /* Assume we have square pixels */
 203         p_vout->output.i_aspect = p_vout->p_sys->dim.w
 204                                * VOUT_ASPECT_FACTOR / p_vout->p_sys->dim.h;
 205         break;
 206
 207     case MODE_VIDEO_OVERLAY:
 208         p_vout->output.i_width  = p_vout->render.i_width;
 209         p_vout->output.i_height = p_vout->render.i_height;
 210         p_vout->output.i_aspect = p_vout->render.i_aspect;
 211
 212         if (ResizeOverlayOutput(p_vout))
 213         {
 214             return (1);
 215         }
 216         break;
 217
 218     default:
 219         /* This shouldn't happen ! */
 220         break;
 221     }
 222
 223     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
 224     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
 225     {
 226         p_pic = NULL;
 227
 228         /* Find an empty picture slot */
 229         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 230         {
 231             if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 232             {
 233                 p_pic = p_vout->p_picture + i_index;
 234                 break;
 235             }
 236         }
 237
 238         /* Allocate the picture */
 239         if( p_pic == NULL || NewPicture( p_vout, p_pic, I_OUTPUTPICTURES ) )
 240         {
 241             break;
 242         }
 243
 244         p_pic->i_status = DESTROYED_PICTURE;
 245         p_pic->i_type   = DIRECT_PICTURE;
 246
 247         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 248
 249         I_OUTPUTPICTURES++;
 250     }
 251
 252     return( 0 );
 253 }
 254
 255 /*****************************************************************************
 256  * QNXEnd: terminate QNX video thread output method
 257  *****************************************************************************
 258  * Destroy the buffers created by QNXInit. It is called at the end of
 259  * the thread, but also each time the window is resized.
 260  *****************************************************************************/
 261 static void QNXEnd( vout_thread_t *p_vout )
 262 {
 263     int i_index;
 264
 265     /* Free the direct buffers we allocated */
 266     for( i_index = I_OUTPUTPICTURES ; i_index ; )
 267     {
 268         i_index--;
 269         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
 270     }
 271 }
 272
 273 /*****************************************************************************
 274  * CloseVideo: destroy QNX video thread output method
 275  *****************************************************************************
 276  * Terminate an output method created by QNXCreate
 277  *****************************************************************************/
 278 void CloseVideo ( vlc_object_t *p_this )
 279 {
 280     vout_thread_t * p_vout = (vout_thread_t *)p_this;
 281
 282     /* destroy the window */
 283     QNXDestroyWnd( p_vout );
 284
 285     /* destroy structure */
 286     free( p_vout->p_sys );
 287 }
 288
 289 /*****************************************************************************
 290  * QNXManage: handle QNX events
 291  *****************************************************************************
 292  * This function should be called regularly by video output thread. It allows
 293  * window resizing. It returns a non null value on error.
 294  *****************************************************************************/
 295 static int QNXManage( vout_thread_t *p_vout )
 296 {
 297     int i_ev,  i_buflen;
 298     PhEvent_t *p_event;
 299     bool b_repos = 0;
 300
 301     if (!vlc_object_alive (p_vout))
 302     {
 303         return ( 0 );
 304     }
 305
 306     /* allocate buffer for event */
 307     i_buflen = sizeof( PhEvent_t ) * 4;
 308     if( ( p_event = malloc( i_buflen ) ) == NULL )
 309         return( 1 );
 310
 311     /* event loop */
 312     do
 313     {
 314         memset( p_event, 0, i_buflen );
 315         i_ev = PhEventPeek( p_event, i_buflen );
 316
 317         if( i_ev == Ph_RESIZE_MSG )
 318         {
 319             PhEvent_t *buf;
 320
 321             i_buflen = PhGetMsgSize( p_event );
 322             buf = realloc( p_event, i_buflen );
 323             if( buf == NULL )
 324             {
 325                 free( p_event );
 326                 return( 1 );
 327             }
 328             p_event = buf;
 329         }
 330         else if( i_ev == Ph_EVENT_MSG )
 331         {
 332             PtEventHandler( p_event );
 333
 334             if( p_event->type == Ph_EV_WM )
 335             {
 336                 PhWindowEvent_t *p_ev = PhGetData( p_event );
 337
 338                 switch( p_ev->event_f )
 339                 {
 340                 case Ph_WM_CLOSE:
 341                     p_vout->p_libvlc->b_die = true;
 342                     break;
 343
 344                 case Ph_WM_MOVE:
 345                     p_vout->p_sys->pos.x = p_ev->pos.x;
 346                     p_vout->p_sys->pos.y = p_ev->pos.y;
 347                     b_repos = 1;
 348                     break;
 349
 350                 case Ph_WM_RESIZE:
 351                     p_vout->p_sys->old_dim.w = p_vout->p_sys->dim.w;
 352                     p_vout->p_sys->old_dim.h = p_vout->p_sys->dim.h;
 353                     p_vout->p_sys->dim.w = p_ev->size.w;
 354                     p_vout->p_sys->dim.h = p_ev->size.h;
 355                     p_vout->i_changes |= VOUT_SIZE_CHANGE;
 356                     break;
 357                 }
 358             }
 359             else if( p_event->type == Ph_EV_KEY )
 360             {
 361                 PhKeyEvent_t *p_ev = PhGetData( p_event );
 362                 long i_key = p_ev->key_sym;
 363
 364                 if( ( p_ev->key_flags & Pk_KF_Key_Down ) &&
 365                     ( p_ev->key_flags & Pk_KF_Sym_Valid ) )
 366                 {
 367                     switch( i_key )
 368                     {
 369                     case Pk_q:
 370                     case Pk_Q:
 371                         p_vout->p_libvlc->b_die = true;
 372                         break;
 373
 374                     case Pk_f:
 375                     case Pk_F:
 376                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 377                         break;
 378
 379                     default:
 380                         break;
 381                     }
 382                 }
 383             }
 384         }
 385     } while( i_ev != -1 && i_ev != 0 );
 386
 387     free( p_event );
 388
 389     /*
 390      * fullscreen
 391      */
 392     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 393     {
 394         PhDim_t dim;
 395
 396         p_vout->b_fullscreen = !p_vout->b_fullscreen;
 397         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 398
 399         if( p_vout->b_fullscreen )
 400         {
 401             p_vout->p_sys->old_pos.x = p_vout->p_sys->pos.x;
 402             p_vout->p_sys->old_pos.y = p_vout->p_sys->pos.y;
 403             p_vout->p_sys->pos.x = p_vout->p_sys->pos.y = 0;
 404             dim.w = p_vout->p_sys->screen_dim.w + 1;
 405             dim.h = p_vout->p_sys->screen_dim.h + 1;
 406         }
 407         else
 408         {
 409             p_vout->p_sys->pos.x = p_vout->p_sys->old_pos.x;
 410             p_vout->p_sys->pos.y = p_vout->p_sys->old_pos.y;
 411             dim.w = p_vout->p_sys->old_dim.w + 1;
 412             dim.h = p_vout->p_sys->old_dim.h + 1;
 413         }
 414
 415         /* modify render flags, border */
 416         PtSetResource( p_vout->p_sys->p_window,
 417             Pt_ARG_WINDOW_RENDER_FLAGS,
 418             p_vout->b_fullscreen ? Pt_FALSE : Pt_TRUE,
 419             Ph_WM_RENDER_BORDER | Ph_WM_RENDER_TITLE );
 420
 421         /* set position and dimension */
 422         PtSetResource( p_vout->p_sys->p_window,
 423                        Pt_ARG_POS, &p_vout->p_sys->pos, 0 );
 424         PtSetResource( p_vout->p_sys->p_window,
 425                        Pt_ARG_DIM, &dim, 0 );
 426
 427         /* mark as damaged to force redraw */
 428         PtDamageWidget( p_vout->p_sys->p_window );
 429     }
 430
 431     /*
 432      * size change
 433      */
 434     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 435     {
 436         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
 437
 438         if( p_vout->p_sys->i_mode == MODE_VIDEO_OVERLAY )
 439         {
 440             ResizeOverlayOutput(p_vout);
 441         }
 442 #if 0
 443         else
 444         {
 445             p_vout->output.i_width = p_vout->p_sys->dim.w;
 446             p_vout->output.i_height = p_vout->p_sys->dim.h;
 447             p_vout->i_changes |= VOUT_YUV_CHANGE;
 448
 449             QNXEnd( p_vout );
 450             if( QNXInit( p_vout ) )
 451             {
 452                 msg_Err( p_vout, "cannot resize display" );
 453                 return( 1 );
 454             }
 455         }
 456 #endif
 457
 458         msg_Dbg( p_vout, "video display resized (%dx%d)",
 459                          p_vout->p_sys->dim.w, p_vout->p_sys->dim.h );
 460     }
 461
 462     /*
 463      * position change, move video channel
 464      */
 465     if( b_repos && p_vout->p_sys->i_mode == MODE_VIDEO_OVERLAY )
 466     {
 467         ResizeOverlayOutput(p_vout);
 468     }
 469
 470     return( i_ev == -1 );
 471 }
 472
 473 /*****************************************************************************
 474  * QNXDisplay: displays previously rendered output
 475  *****************************************************************************
 476  * This function send the currently rendered image to QNX server, wait until
 477  * it is displayed and switch the two rendering buffer, preparing next frame.
 478  *****************************************************************************/
 479 static void QNXDisplay( vout_thread_t *p_vout, picture_t *p_pic )
 480 {
 481     if( p_vout->p_sys->i_mode == MODE_NORMAL_MEM ||
 482         p_vout->p_sys->i_mode == MODE_SHARED_MEM )
 483     {
 484         PhPoint_t pos = { 0, 0 };
 485
 486         PgSetRegion( PtWidgetRid( p_vout->p_sys->p_window ) );
 487         if (p_vout->p_sys->i_screen_depth == 8)
 488         {
 489             PgSetPalette( p_vout->p_sys->p_colors, 0, 0, 255, Pg_PALSET_SOFT, 0);
 490         }
 491         PgDrawPhImagemx( &pos, p_pic->p_sys->p_image, 0 );
 492         PgFlush();
 493     }
 494     else if( p_vout->p_sys->i_mode == MODE_VIDEO_MEM )
 495     {
 496         PhRect_t rc = { { 0, 0 }, { p_vout->output.i_width, p_vout->output.i_height } };
 497
 498 //        PgSetRegion( PtWidgetRid ( p_vout->p_sys->p_window ) );
 499         PgContextBlit( p_pic->p_sys->p_ctx[0], &rc, NULL, &rc );
 500         PgFlush();
 501     }
 502 }
 503
 504 /*****************************************************************************
 505  * QNXInitDisplay: check screen resolution, depth, amount of video ram, etc
 506  *****************************************************************************/
 507 static int QNXInitDisplay( vout_thread_t * p_vout )
 508 {
 509     PgHWCaps_t hwcaps;
 510     PgDisplaySettings_t cfg;
 511     PgVideoModeInfo_t minfo;
 512
 513     /* get graphics card hw capabilities */
 514     if( PgGetGraphicsHWCaps( &hwcaps ) != 0 )
 515     {
 516         msg_Err( p_vout, "unable to get gfx card capabilities" );
 517         return( 1 );
 518     }
 519
 520     /* get current video mode */
 521     if( PgGetVideoMode( &cfg ) != 0 )
 522     {
 523         msg_Err( p_vout, "unable to get current video mode" );
 524         return( 1 );
 525     }
 526
 527     /* get video mode info */
 528     if( PgGetVideoModeInfo( cfg.mode, &minfo ) != 0 )
 529     {
 530         msg_Err( p_vout, "unable to get info for video mode" );
 531         return( 1 );
 532     }
 533
 534     if( p_vout->p_sys->i_mode == MODE_VIDEO_OVERLAY )
 535     {
 536         int i = 0;
 537         PgScalerCaps_t vcaps;
 538
 539         if( ( p_vout->p_sys->p_channel =
 540             PgCreateVideoChannel( Pg_VIDEO_CHANNEL_SCALER, 0 ) ) == NULL )
 541         {
 542             msg_Err( p_vout, "unable to create video channel" );
 543             printf("errno = %d\n", errno);
 544             p_vout->p_sys->i_mode = MODE_NORMAL_MEM;
 545         }
 546         else
 547         {
 548             vcaps.size = sizeof( vcaps );
 549             while( PgGetScalerCapabilities( p_vout->p_sys->p_channel,
 550                                             i++, &vcaps ) == 0 )
 551             {
 552                 printf("vcaps.format = 0x%x\n", vcaps.format);
 553                 if( vcaps.format == Pg_VIDEO_FORMAT_YV12 ||
 554                     vcaps.format == Pg_VIDEO_FORMAT_YUV420 ||
 555                     vcaps.format == Pg_VIDEO_FORMAT_YUY2 ||
 556                     vcaps.format == Pg_VIDEO_FORMAT_UYVY ||
 557                     vcaps.format == Pg_VIDEO_FORMAT_RGB555 ||
 558                     vcaps.format == Pg_VIDEO_FORMAT_RGB565 ||
 559                     vcaps.format == Pg_VIDEO_FORMAT_RGB8888 )
 560                 {
 561                     p_vout->p_sys->i_vc_flags  = vcaps.flags;
 562                     p_vout->p_sys->i_vc_format = vcaps.format;
 563                 }
 564
 565                 vcaps.size = sizeof( vcaps );
 566             }
 567
 568             if( p_vout->p_sys->i_vc_format == 0 )
 569             {
 570                 msg_Warn( p_vout, "need YV12, YUY2 or RGB8888 overlay" );
 571
 572                 p_vout->p_sys->i_mode = MODE_NORMAL_MEM;
 573             }
 574         }
 575     }
 576
 577     /* use video ram if we have enough available */
 578     if( p_vout->p_sys->i_mode == MODE_NORMAL_MEM &&
 579         (minfo.bits_per_pixel != 8) &&
 580         hwcaps.currently_available_video_ram >=
 581         ( ( minfo.width * minfo.height * minfo.bits_per_pixel * MAX_DIRECTBUFFERS) / 8 ) )
 582     {
 583         p_vout->p_sys->i_mode = MODE_VIDEO_MEM;
 584         printf("Using video memory...\n");
 585     }
 586
 587     p_vout->p_sys->i_img_type = minfo.type;
 588     p_vout->p_sys->screen_dim.w = minfo.width;
 589     p_vout->p_sys->screen_dim.h = minfo.height;
 590     p_vout->p_sys->i_screen_depth = minfo.bits_per_pixel;
 591
 592     switch( p_vout->p_sys->i_screen_depth )
 593     {
 594         case 8:
 595             p_vout->output.i_chroma = VLC_CODEC_RGB8;
 596             p_vout->p_sys->i_bytes_per_pixel = 1;
 597             p_vout->output.pf_setpalette = SetPalette;
 598             break;
 599
 600         case 15:
 601             p_vout->output.i_chroma = VLC_CODEC_RGB15;
 602             p_vout->p_sys->i_bytes_per_pixel = 2;
 603             p_vout->output.i_rmask = 0x7c00;
 604             p_vout->output.i_gmask = 0x03e0;
 605             p_vout->output.i_bmask = 0x001f;
 606             break;
 607
 608         case 16:
 609             p_vout->output.i_chroma = VLC_CODEC_RGB16;
 610             p_vout->p_sys->i_bytes_per_pixel = 2;
 611             p_vout->output.i_rmask = 0xf800;
 612             p_vout->output.i_gmask = 0x07e0;
 613             p_vout->output.i_bmask = 0x001f;
 614             break;
 615
 616         case 24:
 617             p_vout->output.i_chroma = VLC_CODEC_RGB24;
 618             p_vout->p_sys->i_bytes_per_pixel = 3;
 619             p_vout->output.i_rmask = 0xff0000;
 620             p_vout->output.i_gmask = 0x00ff00;
 621             p_vout->output.i_bmask = 0x0000ff;
 622             break;
 623
 624         case 32:
 625         default:
 626             p_vout->output.i_chroma = VLC_CODEC_RGB32;
 627             p_vout->p_sys->i_bytes_per_pixel = 4;
 628             p_vout->output.i_rmask = 0xff0000;
 629             p_vout->output.i_gmask = 0x00ff00;
 630             p_vout->output.i_bmask = 0x0000ff;
 631             break;
 632     }
 633
 634     return( 0 );
 635 }
 636
 637 /*****************************************************************************
 638  * QNXCreateWnd: create and realize the main window
 639  *****************************************************************************/
 640 static int QNXCreateWnd( vout_thread_t * p_vout )
 641 {
 642     PtArg_t args[8];
 643     PhPoint_t pos = { 0, 0 };
 644     PgColor_t color = Pg_BLACK;
 645
 646     if( p_vout->p_sys->i_mode == MODE_VIDEO_OVERLAY )
 647     {
 648         if( p_vout->p_sys->i_vc_flags & Pg_SCALER_CAP_DST_CHROMA_KEY )
 649         {
 650             color = PgGetOverlayChromaColor();
 651         }
 652     }
 653
 654     /* fullscreen, set dimension */
 655     if( p_vout->b_fullscreen )
 656     {
 657         p_vout->p_sys->old_dim.w = p_vout->p_sys->dim.w;
 658         p_vout->p_sys->old_dim.h = p_vout->p_sys->dim.h;
 659         p_vout->output.i_width = p_vout->p_sys->dim.w = p_vout->p_sys->screen_dim.w;
 660         p_vout->output.i_height = p_vout->p_sys->dim.h = p_vout->p_sys->screen_dim.h;
 661     }
 662
 663     /* set window parameters */
 664     PtSetArg( &args[0], Pt_ARG_POS, &pos, 0 );
 665     PtSetArg( &args[1], Pt_ARG_DIM, &p_vout->p_sys->dim, 0 );
 666     PtSetArg( &args[2], Pt_ARG_FILL_COLOR, color, 0 );
 667     PtSetArg( &args[3], Pt_ARG_WINDOW_TITLE, "VLC media player", 0 );
 668     PtSetArg( &args[4], Pt_ARG_WINDOW_MANAGED_FLAGS, Pt_FALSE, Ph_WM_CLOSE );
 669     PtSetArg( &args[5], Pt_ARG_WINDOW_NOTIFY_FLAGS, Pt_TRUE,
 670               Ph_WM_MOVE | Ph_WM_RESIZE | Ph_WM_CLOSE );
 671     PtSetArg( &args[6], Pt_ARG_WINDOW_RENDER_FLAGS,
 672               p_vout->b_fullscreen ? Pt_FALSE : Pt_TRUE,
 673               Ph_WM_RENDER_BORDER | Ph_WM_RENDER_TITLE );
 674
 675     /* create window */
 676     p_vout->p_sys->p_window = PtCreateWidget( PtWindow, Pt_NO_PARENT, 7, args);
 677     if( p_vout->p_sys->p_window == NULL )
 678     {
 679         msg_Err( p_vout, "unable to create window" );
 680         return( 1 );
 681     }
 682
 683     /* realize the window widget */
 684     if( PtRealizeWidget( p_vout->p_sys->p_window ) != 0 )
 685     {
 686         msg_Err( p_vout, "unable to realize window widget" );
 687         PtDestroyWidget( p_vout->p_sys->p_window );
 688         return( 1 );
 689     }
 690
 691     /* get window frame size */
 692     if( PtWindowFrameSize( NULL, p_vout->p_sys->p_window,
 693                            &p_vout->p_sys->frame ) != 0 )
 694     {
 695         msg_Err( p_vout, "unable to get window frame size" );
 696         PtDestroyWidget( p_vout->p_sys->p_window );
 697         return( 1 );
 698     }
 699
 700     return( 0 );
 701 }
 702
 703 /*****************************************************************************
 704  * QNXDestroyWnd: unrealize and destroy the main window
 705  *****************************************************************************/
 706 static int QNXDestroyWnd( vout_thread_t * p_vout )
 707 {
 708     /* destroy the window widget */
 709     PtUnrealizeWidget( p_vout->p_sys->p_window );
 710 //    PtDestroyWidget( p_vout->p_sys->p_window );
 711
 712     /* destroy video channel */
 713     if( p_vout->p_sys->i_mode == MODE_VIDEO_OVERLAY )
 714     {
 715         PgDestroyVideoChannel( p_vout->p_sys->p_channel );
 716     }
 717
 718     return( 0 );
 719 }
 720
 721
 722 /*****************************************************************************
 723  * NewPicture: allocate a picture
 724  *****************************************************************************
 725  * Returns 0 on success, -1 otherwise
 726  *****************************************************************************/
 727 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic, int index )
 728 {
 729     /* We know the chroma, allocate a buffer which will be used
 730      * directly by the decoder */
 731     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
 732
 733     if( p_pic->p_sys == NULL )
 734     {
 735         return -1;
 736     }
 737
 738     switch( p_vout->p_sys->i_mode )
 739     {
 740     case MODE_NORMAL_MEM:
 741     case MODE_SHARED_MEM:
 742         /* create images for [shared] memory blit */
 743         if( !( p_pic->p_sys->p_image = PhCreateImage( NULL,
 744                     p_vout->p_sys->dim.w, p_vout->p_sys->dim.h,
 745                     p_vout->p_sys->i_img_type, NULL, 0,
 746                     p_vout->p_sys->i_mode == MODE_SHARED_MEM ) ) ) {
 747             msg_Err( p_vout, "cannot create image" );
 748             free( p_pic->p_sys );
 749             return( -1 );
 750         }
 751
 752         p_pic->p->p_pixels = p_pic->p_sys->p_image->image;
 753         p_pic->p->i_lines = p_pic->p_sys->p_image->size.h;
 754         p_pic->p->i_visible_lines = p_pic->p_sys->p_image->size.h;
 755         p_pic->p->i_pitch = p_pic->p_sys->p_image->bpl;
 756         p_pic->p->i_pixel_pitch = p_vout->p_sys->i_bytes_per_pixel;
 757         p_pic->p->i_visible_pitch = p_vout->p_sys->i_bytes_per_pixel
 758                                      * p_pic->p_sys->p_image->size.w;
 759         p_pic->i_planes = 1;
 760         break;
 761
 762     case MODE_VIDEO_MEM:
 763         /* create offscreen contexts for video memory blit */
 764         if( ( p_pic->p_sys->p_ctx[0] = PdCreateOffscreenContext( 0,
 765                         p_vout->p_sys->dim.w, p_vout->p_sys->dim.h,
 766                        Pg_OSC_MEM_PAGE_ALIGN) ) == NULL )
 767         {
 768             msg_Err( p_vout, "unable to create offscreen context" );
 769             free( p_pic->p_sys );
 770             return( -1 );
 771         }
 772
 773         /* get context pointers */
 774         if( (  p_pic->p_sys->p_buf[0] =
 775             PdGetOffscreenContextPtr ( p_pic->p_sys->p_ctx[0] ) ) == NULL )
 776         {
 777             msg_Err( p_vout, "unable to get offscreen context ptr" );
 778             PhDCRelease ( p_pic->p_sys->p_ctx[0] );
 779             p_pic->p_sys->p_ctx[0] = NULL;
 780             free( p_pic->p_sys );
 781             return( -1 );
 782         }
 783
 784         p_vout->p_sys->i_bytes_per_line = p_pic->p_sys->p_ctx[0]->pitch;
 785         memset( p_pic->p_sys->p_buf[0], 0,
 786             p_vout->p_sys->i_bytes_per_line * p_vout->p_sys->dim.h );
 787
 788         p_pic->p->p_pixels = p_pic->p_sys->p_buf[0];
 789         p_pic->p->i_lines = p_pic->p_sys->p_ctx[0]->dim.h;
 790         p_pic->p->i_visible_lines = p_pic->p_sys->p_ctx[0]->dim.h;
 791         p_pic->p->i_pitch = p_pic->p_sys->p_ctx[0]->pitch;
 792         p_pic->p->i_pixel_pitch = p_vout->p_sys->i_bytes_per_pixel;
 793         p_pic->p->i_visible_pitch = p_vout->p_sys->i_bytes_per_pixel
 794                                      * p_pic->p_sys->p_ctx[0]->dim.w;
 795         p_pic->i_planes = 1;
 796         break;
 797
 798     case MODE_VIDEO_OVERLAY:
 799         if (index == 0)
 800         {
 801             p_pic->p_sys->p_ctx[Y_PLANE] = p_vout->p_sys->p_channel->yplane1;
 802             p_pic->p_sys->p_ctx[U_PLANE] = p_vout->p_sys->p_channel->uplane1;
 803             p_pic->p_sys->p_ctx[V_PLANE] = p_vout->p_sys->p_channel->vplane1;
 804         }
 805         else
 806         {
 807             p_pic->p_sys->p_ctx[Y_PLANE] = p_vout->p_sys->p_channel->yplane2;
 808             p_pic->p_sys->p_ctx[U_PLANE] = p_vout->p_sys->p_channel->uplane2;
 809             p_pic->p_sys->p_ctx[V_PLANE] = p_vout->p_sys->p_channel->vplane2;
 810         }
 811
 812         p_pic->p_sys->p_buf[Y_PLANE] = PdGetOffscreenContextPtr( p_pic->p_sys->p_ctx[Y_PLANE] );
 813         if( p_pic->p_sys->p_buf[Y_PLANE] == NULL )
 814         {
 815             msg_Err( p_vout, "unable to get video channel ctx ptr" );
 816             return( 1 );
 817         }
 818
 819         switch (p_vout->p_sys->i_vc_format)
 820         {
 821             case Pg_VIDEO_FORMAT_YUV420:
 822                 p_vout->output.i_chroma = VLC_CODEC_I420;
 823
 824                 p_pic->p_sys->p_buf[U_PLANE] = PdGetOffscreenContextPtr( p_pic->p_sys->p_ctx[U_PLANE] );
 825                 p_pic->p_sys->p_buf[V_PLANE] = PdGetOffscreenContextPtr( p_pic->p_sys->p_ctx[V_PLANE] );
 826
 827                 if( p_pic->p_sys->p_buf[U_PLANE] == NULL ||
 828                     p_pic->p_sys->p_buf[V_PLANE] == NULL )
 829                 {
 830                     msg_Err( p_vout, "unable to get video channel ctx ptr" );
 831                     return( 1 );
 832                 }
 833
 834                 p_pic->Y_PIXELS = p_pic->p_sys->p_buf[Y_PLANE];
 835                 p_pic->p[Y_PLANE].i_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
 836                 p_pic->p[Y_PLANE].i_visible_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
 837                 p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_ctx[Y_PLANE]->pitch;
 838                 p_pic->p[Y_PLANE].i_pixel_pitch = 1;
 839                 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p[Y_PLANE].i_pitch;
 840
 841                 p_pic->U_PIXELS = p_pic->p_sys->p_buf[U_PLANE];
 842                 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_ctx[U_PLANE]->dim.h;
 843                 p_pic->p[U_PLANE].i_visible_lines = p_pic->p_sys->p_ctx[U_PLANE]->dim.h;
 844                 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_ctx[U_PLANE]->pitch;
 845                 p_pic->p[U_PLANE].i_pixel_pitch = 1;
 846                 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p[U_PLANE].i_pitch;
 847
 848                 p_pic->V_PIXELS = p_pic->p_sys->p_buf[V_PLANE];
 849                 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_ctx[V_PLANE]->dim.h;
 850                 p_pic->p[V_PLANE].i_visible_lines = p_pic->p_sys->p_ctx[V_PLANE]->dim.h;
 851                 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_ctx[V_PLANE]->pitch;
 852                 p_pic->p[V_PLANE].i_pixel_pitch = 1;
 853                 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p[V_PLANE].i_pitch;
 854
 855                 p_pic->i_planes = 3;
 856                 break;
 857
 858             case Pg_VIDEO_FORMAT_YV12:
 859                 p_vout->output.i_chroma = VLC_CODEC_YV12;
 860
 861                 p_pic->p_sys->p_buf[U_PLANE] = PdGetOffscreenContextPtr( p_pic->p_sys->p_ctx[U_PLANE] );
 862                 p_pic->p_sys->p_buf[V_PLANE] = PdGetOffscreenContextPtr( p_pic->p_sys->p_ctx[V_PLANE] );
 863
 864                 if( p_pic->p_sys->p_buf[U_PLANE] == NULL ||
 865                     p_pic->p_sys->p_buf[V_PLANE] == NULL )
 866                 {
 867                     msg_Err( p_vout, "unable to get video channel ctx ptr" );
 868                     return( 1 );
 869                 }
 870
 871                 p_pic->Y_PIXELS = p_pic->p_sys->p_buf[Y_PLANE];
 872                 p_pic->p[Y_PLANE].i_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
 873                 p_pic->p[Y_PLANE].i_visible_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
 874                 p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_ctx[Y_PLANE]->pitch;
 875                 p_pic->p[Y_PLANE].i_pixel_pitch = 1;
 876                 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p[Y_PLANE].i_pitch;
 877
 878                 p_pic->U_PIXELS = p_pic->p_sys->p_buf[U_PLANE];
 879                 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_ctx[U_PLANE]->dim.h;
 880                 p_pic->p[U_PLANE].i_visible_lines = p_pic->p_sys->p_ctx[U_PLANE]->dim.h;
 881                 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_ctx[U_PLANE]->pitch;
 882                 p_pic->p[U_PLANE].i_pixel_pitch = 1;
 883                 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p[U_PLANE].i_pitch;
 884
 885                 p_pic->V_PIXELS = p_pic->p_sys->p_buf[V_PLANE];
 886                 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_ctx[V_PLANE]->dim.h;
 887                 p_pic->p[V_PLANE].i_visible_lines = p_pic->p_sys->p_ctx[V_PLANE]->dim.h;
 888                 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_ctx[V_PLANE]->pitch;
 889                 p_pic->p[V_PLANE].i_pixel_pitch = 1;
 890                 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p[V_PLANE].i_pitch;
 891
 892                 p_pic->i_planes = 3;
 893                 break;
 894
 895             case Pg_VIDEO_FORMAT_UYVY:
 896             case Pg_VIDEO_FORMAT_YUY2:
 897                 if (p_vout->p_sys->i_vc_format == Pg_VIDEO_FORMAT_UYVY)
 898                 {
 899                     p_vout->output.i_chroma = VLC_CODEC_UYVY;
 900                 }
 901                 else
 902                 {
 903                     p_vout->output.i_chroma = VLC_CODEC_YUYV;
 904                 }
 905
 906                 p_pic->p->p_pixels = p_pic->p_sys->p_buf[Y_PLANE];
 907                 p_pic->p->i_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
 908                 p_pic->p->i_visible_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
 909                 p_pic->p->i_pitch = p_pic->p_sys->p_ctx[Y_PLANE]->pitch;
 910                 p_pic->p->i_pixel_pitch = 4;
 911                 p_pic->p->i_visible_pitch = p_pic->p->i_pitch;
 912
 913                 p_pic->i_planes = 1;
 914                 break;
 915
 916             case Pg_VIDEO_FORMAT_RGB555:
 917                 p_vout->output.i_chroma = VLC_CODEC_RGB15;
 918                 p_vout->output.i_rmask = 0x001f;
 919                 p_vout->output.i_gmask = 0x03e0;
 920                 p_vout->output.i_bmask = 0x7c00;
 921
 922                 p_pic->p->p_pixels = p_pic->p_sys->p_buf[Y_PLANE];
 923                 p_pic->p->i_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
 924                 p_pic->p->i_visible_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
 925                 p_pic->p->i_pitch = p_pic->p_sys->p_ctx[Y_PLANE]->pitch;
 926                 p_pic->p->i_pixel_pitch = 2;
 927                 p_pic->p->i_visible_pitch = 2 * p_pic->p_sys->p_ctx[Y_PLANE]->dim.w;
 928
 929                 p_pic->i_planes = 1;
 930                 break;
 931
 932             case Pg_VIDEO_FORMAT_RGB565:
 933                 p_vout->output.i_chroma = VLC_CODEC_RGB16;
 934                 p_vout->output.i_rmask = 0x001f;
 935                 p_vout->output.i_gmask = 0x07e0;
 936                 p_vout->output.i_bmask = 0xf800;
 937
 938                 p_pic->p->p_pixels = p_pic->p_sys->p_buf[Y_PLANE];
 939                 p_pic->p->i_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
 940                 p_pic->p->i_visible_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
 941                 p_pic->p->i_pitch = p_pic->p_sys->p_ctx[Y_PLANE]->pitch;
 942                 p_pic->p->i_pixel_pitch = 4;
 943                 p_pic->p->i_visible_pitch = 4 * p_pic->p_sys->p_ctx[Y_PLANE]->dim.w;
 944
 945                 p_pic->i_planes = 1;
 946                 break;
 947
 948             case Pg_VIDEO_FORMAT_RGB8888:
 949                 p_vout->output.i_chroma = VLC_CODEC_RGB32;
 950                 p_vout->output.i_rmask = 0x000000ff;
 951                 p_vout->output.i_gmask = 0x0000ff00;
 952                 p_vout->output.i_bmask = 0x00ff0000;
 953
 954                 p_pic->p->p_pixels = p_pic->p_sys->p_buf[Y_PLANE];
 955                 p_pic->p->i_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
 956                 p_pic->p->i_visible_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
 957                 p_pic->p->i_pitch = p_pic->p_sys->p_ctx[Y_PLANE]->pitch;
 958                 p_pic->p->i_pixel_pitch = 4;
 959                 p_pic->p->i_visible_pitch = 4 * p_pic->p_sys->p_ctx[Y_PLANE]->dim.w;
 960
 961                 p_pic->i_planes = 1;
 962                 break;
 963         }
 964
 965 #if 0
 966     switch( p_vout->output.i_chroma )
 967     {
 968 #ifdef MODULE_NAME_IS_xvideo
 969         case VLC_CODEC_Y211:
 970
 971             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
 972                                   + p_pic->p_sys->p_image->offsets[0];
 973             p_pic->p->i_lines = p_vout->output.i_height;
 974             p_pic->p->i_visible_lines = p_vout->output.i_height;
 975             /* XXX: this just looks so plain wrong... check it out ! */
 976             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0] / 4;
 977             p_pic->p->i_pixel_pitch = 4;
 978             p_pic->p->i_visible_pitch = p_pic->p->i_pitch;
 979
 980             p_pic->i_planes = 1;
 981             break;
 982 #endif
 983
 984 #endif
 985
 986     default:
 987         /* This shouldn't happen ! */
 988         break;
 989     }
 990
 991     return 0;
 992 }
 993
 994 /*****************************************************************************
 995  * FreePicture: destroy a picture allocated with NewPicture
 996  *****************************************************************************
 997  * Destroy XImage AND associated data. If using Shm, detach shared memory
 998  * segment from server and process, then free it. The XDestroyImage manpage
 999  * says that both the image structure _and_ the data pointed to by the
1000  * image structure are freed, so no need to free p_image->data.
1001  *****************************************************************************/
1002 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
1003 {
1004     if( ( p_vout->p_sys->i_mode == MODE_NORMAL_MEM ||
1005         p_vout->p_sys->i_mode == MODE_SHARED_MEM ) &&
1006         p_pic->p_sys->p_image )
1007     {
1008         PhReleaseImage( p_pic->p_sys->p_image );
1009         free( p_pic->p_sys->p_image );
1010     }
1011     else if( p_vout->p_sys->i_mode == MODE_VIDEO_MEM &&
1012              p_pic->p_sys->p_ctx[0] )
1013     {
1014         PhDCRelease( p_pic->p_sys->p_ctx[0] );
1015     }
1016
1017     free( p_pic->p_sys );
1018 }
1019
1020
1021 static int ResizeOverlayOutput(vout_thread_t *p_vout)
1022 {
1023     int i_width, i_height, i_x, i_y;
1024     int i_ret;
1025     PgScalerProps_t props;
1026
1027     props.size   = sizeof( props );
1028     props.format = p_vout->p_sys->i_vc_format;
1029     props.flags  = Pg_SCALER_PROP_SCALER_ENABLE |
1030                           Pg_SCALER_PROP_DOUBLE_BUFFER;
1031
1032     /* enable chroma keying if available */
1033     if( p_vout->p_sys->i_vc_flags & Pg_SCALER_CAP_DST_CHROMA_KEY )
1034     {
1035         props.flags |= Pg_SCALER_PROP_CHROMA_ENABLE;
1036     }
1037
1038     /* set viewport position */
1039     props.viewport.ul.x = p_vout->p_sys->pos.x;
1040     props.viewport.ul.y = p_vout->p_sys->pos.y;
1041     if( !p_vout->b_fullscreen )
1042     {
1043         props.viewport.ul.x += p_vout->p_sys->frame.ul.x;
1044         props.viewport.ul.y += p_vout->p_sys->frame.ul.y;
1045     }
1046
1047     /* set viewport dimension */
1048     vout_PlacePicture( p_vout, p_vout->p_sys->dim.w,
1049                            p_vout->p_sys->dim.h,
1050                            &i_x, &i_y, &i_width, &i_height );
1051
1052     props.viewport.ul.x += i_x;
1053     props.viewport.ul.y += i_y;
1054     props.viewport.lr.x = i_width + props.viewport.ul.x;
1055     props.viewport.lr.y = i_height + props.viewport.ul.y;
1056
1057     /* set source dimension */
1058     props.src_dim.w = p_vout->output.i_width;
1059     props.src_dim.h = p_vout->output.i_height;
1060
1061     /* configure scaler channel */
1062     i_ret = PgConfigScalerChannel( p_vout->p_sys->p_channel, &props );
1063
1064     if( i_ret == -1 )
1065     {
1066         msg_Err( p_vout, "unable to configure video channel" );
1067         return( 1 );
1068     }
1069
1070     return ( 0 );
1071 }
1072
1073
1074 /*****************************************************************************
1075  * SetPalette: sets an 8 bpp palette
1076  *****************************************************************************
1077  * This function sets the palette given as an argument. It does not return
1078  * anything, but could later send information on which colors it was unable
1079  * to set.
1080  *****************************************************************************/
1081 static void SetPalette( vout_thread_t *p_vout,
1082                         uint16_t *red, uint16_t *green, uint16_t *blue )
1083 {
1084     int i;
1085
1086     /* allocate palette */
1087     for( i = 0; i < 255; i++ )
1088     {
1089         /* kludge: colors are indexed reversely because color 255 seems
1090          * to be reserved for black even if we try to set it to white */
1091         p_vout->p_sys->p_colors[ i ] = PgRGB( red[ i ] >> 8, green[ i ] >> 8, blue[ i ] >> 8 );
1092     }
1093 }